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Finding the Fourth Proportional to 693,906.47, 957,297.70 and 464,537.65

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Solution

The fourth proportional to 693,906.47, 957,297.70 and 464,537.65 is: 640,865.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,906.47 : 957,297.70 = 464,537.65 : x
  2. Step 2: Convert to fraction form
    693,906.47/957,297.70 = 464,537.65/x
  3. Step 3: Cross multiply
    693,906.47x = 957,297.70 × 464,537.65
  4. Step 4: Simplify right side
    693,906.47x = 444,700,819,891.85
  5. Step 5: Solve for x
    x = 444,700,819,891.85/693,906.47
  6. Step 6: Final answer
    x = 640,865.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.